AU3874499A - Matrix-encoded surround-sound channels in a discrete digital sound format - Google Patents

Matrix-encoded surround-sound channels in a discrete digital sound format

Info

Publication number
AU3874499A
AU3874499A AU38744/99A AU3874499A AU3874499A AU 3874499 A AU3874499 A AU 3874499A AU 38744/99 A AU38744/99 A AU 38744/99A AU 3874499 A AU3874499 A AU 3874499A AU 3874499 A AU3874499 A AU 3874499A
Authority
AU
Australia
Prior art keywords
matrix
sound
discrete digital
format
encoded surround
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU38744/99A
Other languages
English (en)
Inventor
Ioan R. Allen
Raymond E. Callahan Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories Licensing Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of AU3874499A publication Critical patent/AU3874499A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Stereophonic System (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
AU38744/99A 1998-05-05 1999-04-30 Matrix-encoded surround-sound channels in a discrete digital sound format Abandoned AU3874499A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09072707 1998-05-05
US09/072,707 US6624873B1 (en) 1998-05-05 1998-05-05 Matrix-encoded surround-sound channels in a discrete digital sound format
PCT/US1999/009468 WO1999057941A1 (en) 1998-05-05 1999-04-30 Matrix-encoded surround-sound channels in a discrete digital sound format

Publications (1)

Publication Number Publication Date
AU3874499A true AU3874499A (en) 1999-11-23

Family

ID=22109279

Family Applications (1)

Application Number Title Priority Date Filing Date
AU38744/99A Abandoned AU3874499A (en) 1998-05-05 1999-04-30 Matrix-encoded surround-sound channels in a discrete digital sound format

Country Status (11)

Country Link
US (1) US6624873B1 (pt)
EP (1) EP1077016B1 (pt)
JP (1) JP4424849B2 (pt)
AR (1) AR014987A1 (pt)
AT (1) ATE454018T1 (pt)
AU (1) AU3874499A (pt)
CA (1) CA2330960C (pt)
DE (1) DE69941870D1 (pt)
DK (1) DK1077016T3 (pt)
ES (1) ES2338391T3 (pt)
WO (1) WO1999057941A1 (pt)

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US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time
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Also Published As

Publication number Publication date
ATE454018T1 (de) 2010-01-15
EP1077016A1 (en) 2001-02-21
CA2330960A1 (en) 1999-11-11
WO1999057941A1 (en) 1999-11-11
EP1077016B1 (en) 2009-12-30
JP4424849B2 (ja) 2010-03-03
DE69941870D1 (de) 2010-02-11
DK1077016T3 (da) 2010-04-26
ES2338391T3 (es) 2010-05-06
AR014987A1 (es) 2001-04-11
US6624873B1 (en) 2003-09-23
JP2002514827A (ja) 2002-05-21
CA2330960C (en) 2007-09-25

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase